I wasn't exactly correct. I am overriding dataProvider. A soon as DP is set I am fixing combo's value.
--- In flexcoders@yahoogroups.com, "Alex Harui" <[EMAIL PROTECTED]> wrote: > > As long as you're happy... > > > > I don't understand how you can expect to choose an item from a > dataprovider if the dataprovider isn't already set. If you're seeing > the dp change before the selected item is set, that implies that you are > not setting the selectedItem in the same "script" as when the > dataprovider is set. Flash/Flex is a deferred rendering environment. > > > > ________________________________ > > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On > Behalf Of markgoldin_2000 > Sent: Thursday, January 10, 2008 9:14 AM > To: flexcoders@yahoogroups.com > Subject: [flexcoders] Re: Setter question > > > > Yes, I am basically doing the same. > But I can't agree that DP must be set first. Maybe from Flex's point > of view it does, but not from the user's. > If you set DP first and then load your form's data then for a short > period of time(and maybe not really short) you will see wrong values > (actually first items) in all your combos till form is loaded. Not > big of a deal, but I dont like to see wrong data on the screen at all > times. > I have got it working, it just more coding, that's all. > > --- In flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > , "Alex Harui" <aharui@> wrote: > > > > You might find this article helpful: > > > > http://blogs.adobe.com/aharui/2008/01/selecteditem_and_combobox.html > <http://blogs.adobe.com/aharui/2008/01/selecteditem_and_combobox.html> > > > > > > > > That way you can find the item you want to be selected after the DP > is > > set. In general the DP must be set first. > > > > > > > > ________________________________ > > > > From: flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > ] On > > Behalf Of mark goldin > > Sent: Friday, January 04, 2008 3:42 AM > > To: flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > > Subject: RE: [flexcoders] Setter question > > > > > > > > Yes, that's what I fugured. > > > > Here is my code. > > > > I have a combobox as a form item.: > > > > <mx:FormItem > > > > label="Other RailRoad Involved" width="302"> > > > > <customComponents:comboItemRenderer > > > > selectedIndex=" > > > > {modelGeneral.otherrailroadinvolved}" > > > > id=" > > > > otherrailroadinvolved" width="95"! > > > > > </customComponents:comboItemRenderer> > > > > </mx:FormItem> > > > > dataModel tag: > > > > <moduleCode:accidentsGeneralModel > > > > id="modelGeneral"/> > > > > > > > > Data Model: > > > > public > > > > class accidentsGeneralModel > > > > { > > > > private var _otherrailroa! dinvolved:int = 0; > > > > [ > > > > Bindable] > > > > public var modelValid:Boolean = false; > > > > > > > > [ > > > > Bindable] > > > > public function get otherrailroadinvolved():int > > > > { > > > > return! _otherrailroadinvolved; > > > > } > > > > public function set > > otherrailroadinvolved(otherrailroadinvolved:int):void > > > > { > > > > _otherrailroadinvolved = otherrailroadinvolved; > > > > } > > > > Combo's data: > > > > combo.dataProvider = someXML; > > > > > > > > Form's data: > > > > //reference to main application > > > > mainApp = mx.core.Application.application; > > > > // reference to A! ccidents module > > > > accidentsModul! e = main App.moduleLoader.child; > > > > accidentsModule.modelGeneral.otherrailroadinvolved = > > resultXML.general.otherrailroadinvolved; > > > > > > > > Here is what happens: > > > > If I am setting up form's data after combo's dropdown has been set > then > > the combo will show the correct item: item that is driven by the > form's > > data. But if I do it other way around then the combo does not show > the > > correct one but always has its selectedIndex = 0. > > > > I am trying to override dataProvider property but dont know what I > can > > match combo's dropdown data to to set its selectedIndex manually. > > > > > > > > Thanks > > > > > > Alex Harui <aharui@> wrote: > > > > Unless comboItemRenderer is in a List or DataGrid or other > > ListBase-derived class, the listData setter function will not be > called. > > > > Assigning the combo's dataprovider just tells its dropdown List > what to > > display. > > > > ________________________________ > > > > From: flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > [mailto:flex! [EMAIL PROTECTED] > ahoogroups.com] > > On Behalf Of mark goldin > > Sent: Thursday, January 03, 2008 6:17 PM > > To: flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > > Subject: RE: [flexcoders] Setter question > > > > Combo: > > > > package! > > > > CustomComponents > > > > { > > > > import mx.controls.*; > > > > import mx.controls.listClasses.*; > > > > import mx.collections.*; > > > > import flash.events.Event; > > > > import mx.events.*; > > > > public class comboIte! mRenderer extends ComboBox implements > > IDropInListItemRenderer > > > > { > > > > public function! comboItemRenderer() > > > > { > > > > super(); > > > > } > > > > override public function set listData(value:BaseListData):void > > > > { > > > > super.listData = value; > > > > ...... > > > > Assigning data: > > > > combo.dataProvider = XMLData; > > > > Should I be getting into listData function after that command? > > > > > > Gordon Smith <gosmith@> wrote: > > > > What do you mean by defining a "set function" for the ComboBox? Can > you > > show some code? > > > > ! > > > > Gordon Smith > > > > Adobe Flex SDK Team > > > > ________________________________ > > > > From: flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > ] On > > Behalf Of markgoldin_2000 > > Sent: Thursday, January 03, 2008 5:44 PM > > To: flexcoders@yahoogroups.com <mailto:flexcoders% 40yahoogroups.com> > > Subject: [flexcoders] Setter question > > > > I have a combobox in a form. I have also defined a set function for > > that combo. I am assigning data to the control using: > > combo.dataProvider = someXML. The data is shown with no problem, > but > > set function is not called. Am I doing something wrong? > > > > Thanks > > >
